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14 41 14 42 14 43 14 44 14 45 14 46 14 47 14 48 14 49 14 50 14 51 14 52 14 53 14 54 14 55 14 56 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964 1963 1962 1961 1960 1959

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid